Home / 21,433.01-29,572.34-12,475.13

Finding the Fourth Proportional to 21,433.01, 29,572.34 and 12,475.13

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Solution

The fourth proportional to 21,433.01, 29,572.34 and 12,475.13 is: 17,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.01 : 29,572.34 = 12,475.13 : x
  2. Step 2: Convert to fraction form
    21,433.01/29,572.34 = 12,475.13/x
  3. Step 3: Cross multiply
    21,433.01x = 29,572.34 × 12,475.13
  4. Step 4: Simplify right side
    21,433.01x = 368,918,575.67
  5. Step 5: Solve for x
    x = 368,918,575.67/21,433.01
  6. Step 6: Final answer
    x = 17,212.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.